Combining Texts

Ideas for 'Logical Consequence', 'Travels in Four Dimensions' and 'Letter to Weber'

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2 ideas

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / i. Reals from cuts

18244

I say the irrational is not the cut itself, but a new creation which corresponds to the cut [Dedekind]

6. Mathematics / B. Foundations for Mathematics / 2. Proof in Mathematics

10692

Hilbert proofs have simple rules and complex axioms, and natural deduction is the opposite [Beall/Restall]